<?php
/********************************************************************************
* include/filter.inc.php : The complete Filter Object
* ----------------------
*
* This file is part of the philter distribution
* Copyright: See COPYING files that comes with this distribution
********************************************************************************/

class Filter {
    /** Rules */
    var $rules;
    /** user id */
    var $uid;
    
    function Filter($_uid) {
        $this->uid = $_uid;
        $this->rules = array();

        $sql = mysql_query("SELECT rank,rid,flags,name FROM rules WHERE uid='$_uid' ORDER BY rank");
        while(list($_rank,$_rid,$_flags,$_name) = mysql_fetch_row($sql)) {
            $this->rules[$_rid] = new Rule($_rank,$_flags,$_name,true);
            $this->rules[$_rid]->sql_get_matches($_uid,$_rid);
            $this->rules[$_rid]->sql_get_actions($_uid,$_rid);
        }
    }
    
    function to_string() {
        return "";
    }

    function delete_rule($_rid) {
        $rk = $this->rules[$_rid]->rank;
        $this->rules[$_rid]->sql_clean($this->uid, $_rid);
        unset($this->rules[$_rid]);

        mysql_query("UPDATE rules SET rank=rank-1 WHERE uid='{$this->uid}' and rank>$rk");
    }

    function new_rule_id() {
        $i=1;
        while(array_key_exists($i,$this->rules))
            $i++;
        return $i;
    }

    function handle_form() {
        global $philter;

        $rule_id = ($_POST['rule']['id'] ? $_POST['rule']['id'] : $this->new_rule_id());
        $rank = (isset($this->rules[$rule_id]) ? $this->rules[$rule_id]->rank : count($this->rules)+1);

        $flags = Array();
        if($_POST['rule']['all'])           $flags[] = 'all';
        if(isset($_POST['rule']['block']))  $flags[] = 'block';
        $flags = implode(',', $flags);
        
        $my_rule = new Rule($rank,$flags,$_POST['rule']['name']);

        // we create the $matches real array
        if(isset($_POST['rule']['matches']))
            foreach($_POST['rule']['matches'] as $data)
                if(array_key_exists(0, $data))
                    $my_rule->matches[] = $data;

        // we create the $actions real array
        if(isset($_POST['rule']['actions']))
            foreach($_POST['rule']['actions'] as $data)
                if(array_key_exists(0, $data))
                    $my_rule->actions[] = $data;

        if(!count($my_rule->actions) && !count($my_rule->matches)) {
            $philter->set_error("You cannot add an empty rule");
            return false;
        }
        
        $my_rule->sql_store(get_user_id(),$rule_id);

        $_POST['rule']['id'] = $rule_id;
        $this->rules[$rule_id] = $my_rule;
        return true;
    }

    function to_js() {
        $res = "filter[0] = { all: 1, block:1, name:'"._i18n('new_rule')."', matches: [], actions: [] };\n";
        
        foreach($this->rules as $id=>$rule)
            $res .= "filter[$id] = ".$rule->to_js().";\n";

        return $res;
    }

}

/********************************************************************************
* $Id$
* vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
********************************************************************************/
?>